| Silvester | A. | Commission Agent | Perth | 1887 | WA Almanack |
| Silvester | A. | Theatrical Agent | Perth | 1888 | WA Almanack |
| Silvester | A. jun. | - | Perth | 1883 | WA Almanack |
| Silvester | Alf. | Commission Agent | Perth | 1884 | WA Almanack |
| Silvester | Alfred | Commission Agent | Perth | 1884 | Herald Almanack |
| Silvester | Alfred | Commission Agent | Perth | 1885 | Herald Almanack |
| Simcock | Chas. | Brickmaker | Guildford | 1887 | WA Almanack |
| Simcock | Chas. | Brickmaker | Guildford | 1888 | WA Almanack |
| Simcock | Chas. | Brickmaker | Guildford | 1889 | WA Almanack |
| Simcock | Thos. | Brickmaker | Guildford | 1887 | WA Almanack |
| Simcock | Thos. | Brickmaker | Guildford | 1888 | WA Almanack |
| Simcock | Thos. | Brickmaker | Guildford | 1889 | WA Almanack |
| Simcox | W. | Pattern Moulder | Dongara | 1888 | WA Almanack |
| Simcox | W. | Pattern Moulder | Dongara | 1889 | WA Almanack |
| Simmonds | E. T. | Forwarding Agent | Toorak (suburb), Coolgardie | 1897 | Witton's Directory |
| Simmonds & Co | E. T. | Forwarding Agents | Bayley Street, Coolgardie | 1897 | Witton's Directory |
| Simmons | - | Farmer | Preston | 1884 | Herald Almanack |
| Simmons | C. | Water Police | Albany | 1882 | WA Almanack |
| Simmons | C. | Water Police | Albany | 1884 | WA Almanack |
| Simmons | C. G | Printer | Bunbury | 1897 | Witton's Directory |
| Simmons | H. | Miner | Victoria District (Northampton) | 1880 | WA Almanack |
| Simmons | H. | Miner | Victoria District (Northampton) | 1881 | WA Almanack |
| Simmons | H. | Miner | Victoria Districts (Northampton) | 1882 | WA Almanack |
| Simmons | H. | Miner | Victoria District (Northampton) | 1884 | WA Almanack |
| Simmons | H. | Miner | Victoria District (Northampton) | 1886 | WA Almanack |
| Simmons | H. | Miner | Northampton | 1887 | WA Almanack |
| Simmons | H. | Miner | Northampton | 1888 | WA Almanack |
| Simmons | H. | Miner | Northampton | 1889 | WA Almanack |
| Simmons | J. | Butcher | Albany | 1882 | WA Almanack |
| Simmons | J. | Butcher | Albany | 1884 | WA Almanack |
| Simmons | J. | Baker | Albany | 1885 | Herald Almanack |
| Simmons | J. T. | Baker and Confectioner | Albany | 1887 | WA Almanack |
| Simmons | J. T. | Baker and Confectioner | Albany | 1888 | WA Almanack |
| Simmons | J. T. | Baker and Confectioner | Albany | 1889 | WA Almanack |
| Simmons | Jos. | Labourer | Fremantle | 1887 | WA Almanack |
| Simmons | Jos. | Labourer | Fremantle | 1888 | WA Almanack |
| Simmons | Jos. | Labourer | Fremantle | 1889 | WA Almanack |
| Simmons | Sydney | Mining Agent | Shaw Street, Coolgardie | 1897 | Witton's Directory |
| Simmons | T. | Farmer | Preston | 1877 | Herald Almanack |
| Simmons | T. | Farmer | Preston & Upper Capel | 1878 | Herald Almanack |
| Simmons | T. | Farmer | Preston | 1879 | Herald Almanack |
| Simmons | T. | Farmer | Preston | 1880 | Herald Almanack |
| Simmons | T. | Farmer | Preston | 1881 | Herald Almanack |
| Simmons | T. | Farmer | Preston | 1882 | Herald Almanack |
| Simmons | T. | Farmer | Preston | 1883 | Herald Almanack |
| Simmons | T. | Farmer | Wellington District (Preston, Upper Capel towards Blackwood, Etc) | 1886 | WA Almanack |
| Simmons | T. | Farmer | Preston, Upper Capel, Towards Blackwood,Etc. | 1887 | WA Almanack |
| Simmons | T. | Farmer | Preston, Upper Capel, Towards Blackwood,Etc. | 1887 | WA Almanack |
| Simmons | T. | Farmer | Bunbury (Preston, Upper Capel, towards Blackwood, Etc.) | 1888 | WA Almanack |
| Simmons | T. | Farmer | Bunbury (Preston, Upper Capel, towards Blackwood, Etc.) | 1888 | WA Almanack |
